Siemens HiPath 4000 Release 1 and Siemens Hicom 330E
Release 3.1 to Cisco IOS Voice Gateway using E1 QSIG with
H.323
October 30, 2007 Revision 7
Table of Contents
Introduction .............................................................................................................................................................................................................. 1
Network Topology.................................................................................................................................................................................................... 2
System Components ................................................................................................................................................................................................. 2
Hardware Requirements ...................................................................................................................................................................................... 2
Software Requirements ....................................................................................................................................................................................... 2
Features .................................................................................................................................................................................................................... 3
Features Supported .............................................................................................................................................................................................. 3
Features Not Supported ....................................................................................................................................................................................... 3
Limitations................................................................................................................................................................................................................ 3
Configuration............................................................................................................................................................................................................ 4
Configuring the Siemens HiPath 4000 ................................................................................................................................................................ 4
Configuring the Siemens Hicom 330E .............................................................................................................................................................. 17
Configuring the Cisco 1760............................................................................................................................................................................... 28
Configuring the Cisco 2851............................................................................................................................................................................... 33
Acronyms ............................................................................................................................................................................................................... 39
Introduction
•
Although specific gateway router models were used to validate its content, this application note also applies to all Cisco
1700/2600/3600/3700/2800/3800 series Cisco IOS voice gateways.
•
This application note provides configuration guidelines for a toll-bypass network using Cisco IOS voice gateways to connect Siemens
HiPath 4000 Release 1 and Siemens Hicom 330E Release 3.1 PBXs. The PBXs are connected to the Cisco IOS voice gateways by E1
QSIG trunk circuits. The Cisco IOS voice gateways "extend" the E1 QSIG trunk circuits with VoIP, using the H.323 protocol.
•
A Siemens HiPath 4000 Release 1 PBX and a Siemens Hicom 330E Release 3.1 PBX were each connected via E1 QSIG trunk circuits a
Cisco IOS voice gateway. The two voice gateways were connected via IP over Ethernet, and configured for VoIP using H.323. End-to-
end calls were placed between the PBXs to exercise and test basic calls as well as QSIG supplementary services such as call transfer, call
conference, and call forward.
•
Using the Siemens PBX configurations and Cisco IOS voice gateway configurations in this application note, successful toll bypass
integration was achieved. This includes basic call, call transfer, call conference, and call forward, with some limitations on Caller ID
features during transfer scenarios. These limitations are detailed in the following sections and all were found to be inherent to the
Siemens PBXs. Thus, H.323 toll bypass introduced no new restrictions to the available features or performance.
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EDCS - 441268 Revision 7
Application Note
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